chore(deps): update actions/download-artifact action to v5

Author: Renovatebot

.github/workflows/build.yaml

@@ -45,7 +45,7 @@ jobs:
       group: nuget
       cancel-in-progress: true
     steps:
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           name: nuget
       - uses: actions/setup-dotnet@v4